(a) Yingge: song by seven scales --- more, come, Mimi, hair, shuttle, la, west composition, seven scales, hair in the center position, and the most easy to sound, so she is the most representative. The 'hair' in the song is written in exactly the same way as the number 4, so the first number is 4.
(b) Swallow Dance: Dance is homophonic with 5, and the second number should be 5.
(c) Wine Drunken Man: Wine is homophonic with 9, and the third number is 9.
To sum up, the owner wants everyone to guess the three numbers are: 4, 5, 9.